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remove event type list from Events (lazy listener initialization) p=tschaub,me r=erilem (closes #2555)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@12384 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
Frédéric Junod
2011-09-17 19:09:40 +00:00
parent 67a5743d91
commit 501b42228a
25 changed files with 85 additions and 295 deletions
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tests/Events.html
+24 -69
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@@ -7,38 +7,22 @@
var a;
function test_Events_constructor (t) {
t.plan(4);
var mapDiv = OpenLayers.Util.getElement('map');
var obj = {result: 0};
var eventTypes = ["doThingA", "doThingB", "doThingC"];
var browserTypes = OpenLayers.Events.prototype.BROWSER_EVENTS;
var totalTests = 4 + 2*eventTypes.length + 2*browserTypes.length;
t.plan( totalTests );
events = new OpenLayers.Events(obj, mapDiv, eventTypes);
events = new OpenLayers.Events(obj, mapDiv);
t.ok( events instanceof OpenLayers.Events, "new OpenLayers.Control returns object" );
t.ok(events.object ==obj, " 'object' property correctly set");
t.ok(events.element == mapDiv, " 'element' property correctly set");
for (var i = 0; i < browserTypes.length; i++) {
var type = browserTypes[i];
t.ok( events.listeners[type] instanceof Array, "browser event: " + type + " correctly registered" );
t.ok( OpenLayers.Util.indexOf(events.eventTypes, type) != -1, "browser type " + type + "' correctly added to eventTypes array");
}
for (var i = 0; i < eventTypes.length; i++) {
var type = eventTypes[i];
t.ok( events.listeners[type] instanceof Array, "custom event: " + type + " correctly registered");
t.ok( OpenLayers.Util.indexOf(events.eventTypes, type) != -1, "eventType " + type + "' correctly added to eventTypes array");
}
events.destroy();
// default/nulls
events = new OpenLayers.Events(null, null, null);
t.ok( events.listeners != null,
"init of Events with null object/element/eventTypes still creates listeners array" );
events.destroy();
}
function test_Events_register(t){
@@ -59,8 +43,7 @@
gFuncB = options.func;
}
}
},
'eventTypes': ['listenerA', 'listenerB']
}
};
var type = null;
@@ -99,13 +82,12 @@
function test_Events_register_unregister(t) {
t.plan( 18 );
t.plan(19);
var mapDiv = OpenLayers.Util.getElement('map');
var obj = {result: 0};
var eventTypes = ["doThingA", "doThingB", "doThingC"];
events = new OpenLayers.Events(obj, mapDiv, eventTypes);
events = new OpenLayers.Events(obj, mapDiv);
var func = function () { this.result++ }
events.register( "doThingA", obj, func );
@@ -136,8 +118,11 @@
var listenerList = events.listeners["doThingA"];
t.eq( listenerList.length, 3, "register correctly does not append null callback to event.listeners[doThingA] even when obj passed in is null" );
events.register( "chicken", obj, func);
t.ok( events.listeners["chicken"] == null, "register() does nothing on attempt to register un-enabled event");
events.register("chicken", obj, func);
t.eq(events.listeners["chicken"].length, 1, "register() allows listeners for any named event");
events.unregister("chicken", obj, func);
t.eq(events.listeners["chicken"].length, 0, "unregistering an event that is not in eventTypes list works")
events.unregister("doThingA", obj, null);
var listenerList = events.listeners["doThingA"];
@@ -174,9 +159,12 @@
events.unregister("doThingA", obj, null);
t.ok( (listenerList.length == 1), "unregister does not bomb if you try to remove a null callback" );
events.unregister("chicken", null, func3);
t.ok( events.listeners["chicken"] == null, "unregistering an event that is not enabled does not wierdly enable it -- or cause a script error")
try {
events.unregister("asdf", obj, func);
t.ok("unregistering for an event with no registered listeners works");
} catch (err) {
t.fail("unregistering for an event with no registered listeners causes trouble: " + err);
}
}
@@ -186,9 +174,8 @@
var mapDiv = OpenLayers.Util.getElement('map');
var obj = {result: 0};
var eventTypes = ["doThingA", "doThingB", "doThingC"];
events = new OpenLayers.Events(obj, mapDiv, eventTypes);
events = new OpenLayers.Events(obj, mapDiv);
var func = function () { this.result++ }
var func2 = function () { this.result-- }
@@ -213,9 +200,8 @@
var mapDiv = OpenLayers.Util.getElement('map');
var obj = {result: 0};
var eventTypes = ["doThingA", "doThingB", "doThingC"];
events = new OpenLayers.Events(obj, mapDiv, eventTypes);
events = new OpenLayers.Events(obj, mapDiv);
var func = function () { this.result++ }
@@ -248,7 +234,7 @@
//no specific t.ok for this one, but if it breaks, you will know it.
events.triggerEvent("chicken");
events = new OpenLayers.Events(null, mapDiv, eventTypes);
events = new OpenLayers.Events(null, mapDiv);
// a is global variable (context-irrelevant)
a = 0;
@@ -259,8 +245,7 @@
t.eq(a, 5, "if Events has no object set and an event is registered also with no object, triggerEvent() calls it without trying to set the context to null");
// trigger events with additional arguments
eventTypes = ["something"];
events = new OpenLayers.Events(null, null, eventTypes);
events = new OpenLayers.Events();
var instance = {id: Math.random()};
var listener = function(obj) {
t.eq(this.id, instance.id,
@@ -309,7 +294,7 @@
function test_Events_handleBrowserEvent(t) {
t.plan(2);
var events = new OpenLayers.Events({}, null, ['sometouchevent']);
var events = new OpenLayers.Events({}, null);
events.on({'sometouchevent': function() {}});
// this test verifies that when handling a touch event we correctly
@@ -424,36 +409,6 @@
}
function test_Events_addEventType(t) {
t.plan( 8 );
var mapDiv = OpenLayers.Util.getElement('map');
var obj = {result: 0};
var eventTypes = ["doThingA", "doThingB"];
events = new OpenLayers.Events(obj, mapDiv, eventTypes);
t.eq( events.listeners["doThingA"].length, 0, "event type passed as passed as param to OpenLayers.Events constructor correctly set up" );
t.eq( events.listeners["doThingB"].length, 0, "event type passed as passed as param to OpenLayers.Events constructor correctly set up" );
var newEventType = "onFoo";
t.ok( events.listeners[newEventType] == null, "event type not yet registered has null entry in listeners array");
t.ok( OpenLayers.Util.indexOf(events.eventTypes, newEventType) == -1, "event type not yet registered not in eventTypes array");
events.addEventType(newEventType);
t.eq( events.listeners[newEventType].length, 0, "event type passed to addEventType correctly set up" );
t.ok( OpenLayers.Util.indexOf(events.eventTypes, newEventType) != -1, "event type passed to addEventType in eventTypes array");
var func = function () {};
events.register( "doThingA", obj, func );
t.eq( events.listeners["doThingA"].length, 1, "listener correctly registered" );
events.addEventType("doThingsA");
t.eq( events.listeners["doThingA"].length, 1, "event type passed to addEventType correctly does nothing if clashes with already defined event type" );
}
/** HACK HACK HACK Deprecated This test should be removed in 3.0 **/
function test_Events_globalEventObject(t) {
t.plan(1);